统计与概率
数据分析、概率分布、假设检验与统计方法。
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2015 nfl field goals frequency 15 12 9 6 3 0 1 - 5 6 - 10 11 - 15 16 - …
D. A total of 18 teams made 26 or more field goals.
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1. how does italys geography impact what italy specializes in producing…
1. How does Italy's geography impact what Italy specializes in producing and exporting? - Italy's location on the Mediterranean Sea makes it a trading hub. It exports manufactured…
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hayden, from the blog \hanging with hayden,\ directly sent an email to …
The survey is meaningless because of nonresponse bias.
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owners of a radio station want to obtain information on the radio liste…
D. A stratified sample from the cities and towns in the market area
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freezeframe, a social networking site, sent out a survey in which the u…
The poll used voluntary response, so the results tell us little about the population of all adults.
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select all that apply what two factors influence the employee performan…
the organization's goals the organizational culture
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each person in a simple random sample of 1,800 received a survey, and 2…
Those who did not respond may differ in some important way from those who did respond
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the student council at a high school wants to conduct a survey of stude…
Number the students on the school roster. Use a table of random numbers to choose 160 students from this roster for the survey.
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a survey asked 20,000 national park visitors to choose their favorite t…
| Type of landscape | Percentage | | ---- | ---- | | Lakeside | 49% | | Jungle | 28% | | Desert | 7% | | Coast | 16% | (Note: To construct the percent - bar graph for part (b), yo…
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a shoe store sends an email survey to all customers who pay with a debi…
The population is 34,000. The sample is 256.
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select all that apply which conditions will most likely lead to occupat…
when employees love their work when employees and their co - workers care about one another when employees find their work meaningful
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read the following sentence. the concert violinist sat down, placed her…
A. a rod used to play an instrument
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lesson 4: cyberbullying prevention developing a cyberbullying preventio…
What is cyberbullying: Unwanted, aggressive behavior using digital devices like sending mean messages, spreading rumors online, or sharing embarrassing photos/videos digitally. Ex…
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unpacking cyberbullying scenarios directions: the following table conta…
For Sarah: - Feelings and consequences: Sadness, embarrassment, social isolation, reputation damage. - Bystander actions: Report messages, comfort victim, encourage action. - Step…
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(a) use the given points to create a linear model of the data. express …
1737
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or state correctional authorities part 1 of 3 (a) use the given points …
The slope means that the number of prisoners increased at a rate of 41.5 thousand per year during the given time period.
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part 3 of 6 (b) write an equation of the line through the given points.…
The slope is $0.2$. The slope means that wind chill **increases** at a rate of $0.2^{\circ}F$ for every 1 mph **increase** in wind speed.
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2.2 my notes what universal symbols do you notice in this photo? what d…
Universal symbols: SUV (mobility, adventure - readiness, freedom), kayak (water - based adventure, exploration). Messages: Adventure, exploration of nature, independence.
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what universal symbols do you notice in this photo? what do these symbo…
Messages that could be conveyed include a love for adventure, a spirit of exploration, and the pursuit of outdoor activities. The image may also suggest a sense of freedom and the…
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part 2 of 4 (b) use the linear equation to approximate the average mile…
The average yearly mileage for passenger cars in the country in year 3 was approximately 9423 miles. The actual average yearly mileage in year 3 and the approximate average mileag…
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part 2 of 4 (b) use the equation to approximate the average amount spen…
The $y$-intercept is $(0,35.6)$. The $y$-intercept means that the average amount spent on video games per person was $\$35.6$ at the start of the study (year $0$).
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sec 2.4 applications of linear equations and modeling question 5 of 11 …
The slope is $9.4$. The amount spent per person on video games **increases** by an average rate of $\$9.4$ per year.
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fincap friday: stock split summer sometimes, a company will announce a …
B. An investment option that allows you to own a small piece of a company
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which of the following is not a tip for the effective use of visual aid…
Look at the projection screen when using a PowerPoint to ensure you accurately cite statistics or other facts included in the slideshow.
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one review found that those who had attempted suicide were at a 38 time…
- B. Intentar suicidio una vez aumenta la posibilidad de que uno lo haga de nuevo. - D. Algunos trastornos de salud mental aumentan el riesgo de suicidio. - E. Tener acceso a un m…
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choose the correct answer. the words ______ and ______ do not share the…
A. broken, unwilling
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question 6 points 2 what does anne frank most likely mean when she says…
She maintains hope and faith in humanity despite the suffering around her.
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refers to a school of thought that claims the self, meaning, and social…
C. Social constructionism
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sp find the mean number of points scored in three games. game points sc…
16
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sp how many beehives were sampled to produce this data set? 100 23
23
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which of the following data sets has a mean of 8? 10, 6, 8, 7, 8, 9, 8 …
The set $10,6,8,7,8,9,8$
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what is the range of this set of data? temperature 70 72 68 74 71
6
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find the range, interquartile range, and mean absolute deviation for th…
Range: 12, Inter - quartile range: 8, Mean absolute deviation: 3.5
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this table shows heights of palm trees. what would be an appropriate sc…
0 - 20
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the following table shows scores on a spelling test. which measure is m…
Mean
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true or false? this question is a statistical question: how many years …
True
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when you find the median of a data set, which quartile would this numbe…
The second quartile (Q2)
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what is the mode of the following data set:
0
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a bag contains 3 red balls, 4 green balls, and 2 yellow balls. deborah …
60%
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which team has the higher mean absolute deviation? team a 8 5 4 3 6 3 t…
Team A
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true or false? this question is a statistical question: what is the tem…
False
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what is the mode of the data represented by this histogram? number of p…
1
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what is the median of the data set represented by the following box plo…
55
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the table shows the high temperature for the last 6 days. what is the m…
4
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which of the following statements is least accurate about facebook and …
A. The word "friend" has not changed meaning because of Facebook; B. People aren't likely to accept friend requests from or send friend requests to people they have never met.
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which of the following statements is least accurate about social networ…
SNSs are often barriers to getting information and resources since they include people in our extended network.
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the brave men, living and dead, who struggled here, have consecrated it…
add or detract dedication and consecration
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consider a set of cards that has four cards labeled 2, 4, 6, and 8. sup…
The table with the following rows: | Sample Mean | Probability | | ---- | ---- | | 3 | $\frac{1}{6}$ | | 4 | $\frac{1}{6}$ | | 5 | $\frac{2}{6}=\frac{1}{3}$ | | 6 | $\frac{1}{6}$ …
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what does subterranean mean? use roots and affixes as clues. occurring …
being or operating under the earth's surface
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read this passage about british author edith nesbit. then, select the s…
E. Nesbit's books were childhood favorites of the author of The Chronicles of Narnia, C.S. Lewis, who once told a friend that he was writing a children's book "in the tradition of…
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the following table shows scores on a spelling test. which measure is m…
Mean
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this data set shows the lengths of five coffee tables (in cm). which co…
Oak
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3. the table below shows the lengths and corresponding ideal weights of…
The weight of a sand - shark with length 75 inches is 174.5. The length of a sand - shark with weight 200 is approximately 80.67 inches.
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which data display allows you to tell the mode of the data?
The dot - plot on the right.
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13. what does the author mean when he says indifference is an end? * a.…
13. C. It doesn't lead to action or help those who suffer. 14. A. It punishes people by denying their humanity. 15. B. It explains that indifference hurts others more than the per…
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9. what is the main purpose of paragraph 3 in the speech? a. to outline…
9. A. To outline the policies and programs Johnson wants support for 10. C. Johnson is urging the nation to carry on with Kennedy's plans and vision.
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fix any punctuation or capitalization errors below. click \submit answe…
Felonious Gru, meanwhile, sheared the sheep and bathed the piglets.
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fix any punctuation or capitalization errors below. click submit answer…
Spider - Man, meanwhile, carefully guarded the precious jewels.
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select the correct answer. which sentence is a paradox? a. the comedian…
D. Nobody goes to that restaurant because it is usually crowded.
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dr. heideggers experiment by nathaniel hawthorne (excerpt) meanwhile, t…
B. Mr. Gascoigne was so thrilled to hear himself speak that he didn't care who was listening
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select the correct text in the passage. which of these excerpts from dr…
2. As he ran he could hear the "Plop! Plop!" of the oobleck on the windowpanes. It was pelting against the palace walls as big as greenish cup - cakes now!
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select the correct answer. read this dialog from amy tans \mother tongu…
C. The speaker uses expressive, if somewhat incorrect, English
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select the correct text in the passage. consider this sentence from the…
Forbidden without cause the essential act of their faith, having seen the wild herds slaughtered and left to rot upon the ground
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in a national survey college students were asked, \how often do you wea…
$0.024$
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why is the following not a probability model? click the icon to view th…
C. This is not a probability model because the sum of the probabilities is not 1.
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select all the correct text in the passage. which two sentences in this…
Initials, blanks, or both were often substituted for proper names in nineteenth century fiction to enhance the illusion of reality. It is as if the author felt it necessary to del…
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is the following a probability model? what do we call the outcome \yell…
It is a probability model. C. Impossible event
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is the following a probability model? what do we call the outcome \yell…
B. Yes, because the probabilities sum to 1 and they are all greater than or equal to 0 and less than or equal to 1
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select the correct answer what is the connotative meaning of this line …
D. General Barker was in a hurry to get everything ready for the experiment.
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complete the sentence below. in a probability model, the sum of the pro…
1
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select the correct answer which line from \civil disobedience\ by henry…
D. If others pay the tax which is demanded of me, from a sympathy with the State, they do but what they have already done in their own case, or rather they abet injustice to a gre…
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select the correct text in the passage. which sentence in this excerpt …
And I just could not accept that.
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select the correct text in the passage. which sentence in this excerpt …
To his credit, he preached personal independence and responsibility, self - discipline and self - reliance.
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match the words from maya angelous poem \caged bird\ to their implied m…
caged bird ↔ African American cage ↔ Jim Crow laws free bird ↔ white American sky ↔ freedom sing ↔ self - expression
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select the correct answer. how does the word haunted appear as a motif …
C. The word haunted suggests that the boy is still haunted by memories of his childhood and his parents. The chest is a reminder of personal experiences he can't ignore.
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5. multiple choice - vocabulary in context in paragraph 4, what does th…
Faltered
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9) choose the best answer. what is ironic about malalas father? his nam…
9) He stutters but wants to be a public speaker. 10) Soviet
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1) choose the best answer. when malala says that she was born at dawn a…
1. B. good 2. B. lack of modern public conveniences such as trash pickup
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3. which of the following would correctly change the sentence from pass…
3. The director had written what was meant to be a funny script, but it wasn't making any sense. 4. False
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read the passage and answer the questions about verb - tense shifts, pa…
The cast had been rehearsing the school play for weeks and everyone was excited.
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make a standard distribution using the data given below. the test was g…
B. $.68$ or $68\%$
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ge, an electricity company is trying to determine a realistic lifespan …
3 years and 9 months
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11. how can jehovahs reasons for permitting suffering help us to contin…
Knowing the truth about why God permits suffering can motivate continued preaching as it shows Jehovah's patience leading to salvation for repentant people, and preaching is seen …
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context vocabulary word|sample sentence|what do you think it means?|def…
1. Humane: Kind - hearted and compassionate towards animals. Conscientious: Diligent and thorough in one's work. Extract: To obtain or pull out a substance from a source.
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on what basis did the supreme court uphold restrictions on civil libert…
A. The Court ruled that Congress could prohibit speech it considered dangerous.
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what was the purpose of the american civil liberties union (aclu)? sele…
B. The ACLU defended the right of Americans to free speech and dissent.
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a stemplot of the iq test scores from 78 seventh - grade students in a …
44.9
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as a distinct american culture developed, american womens roles were de…
women would need to be educated in order to play important supportive roles raising virtuous sons
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many colonists believed the legislation passed by the grenville ministr…
B. meant the British were trying to take away their tradition of self - government.
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inspired the u.s. constitution. other than britain, who was primarily m…
B. fighting Patriots, C. French allies
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question number 5. (10.00 points) in testing a certain kind of missile,…
60.0
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question number 4. (10.00 points) suppose you have a distribution, x, w…
None of the above
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given the following sampling distribution: what is the mean of this sam…
9.1
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question number 2. (10.00 points) given the following sampling distribu…
0.84
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the declaration was not a law, but its values later inspired the u.s. c…
C. French allies
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quiz 5 (id 657909) due: sat oct 4 23:59 2025. until due: 0.0 days. rest…
0.84
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given the following sampling distribution: what is p(x = 15)? 0.84 0.15…
0.84
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question number 2. (10.00 points) given the following sampling distribu…
0.84
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question number 4. (10.00 points) suppose you have a distribution, x, w…
None of the above
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question number 4. (10.00 points) suppose you have a distribution, x, w…
None of the above